To simulate Aortic Regurgitation (AR), four porcine aortic valves were explanted, and the commissure between the two largest leaflets was detached and re-implanted 5 mm lower to induce cusp prolapse. … 1c), which has been previously described in detail [17, 18]. In brief, the simulator encompasses a programmable pulsatile linear piston pump (ViVitro Superpump, ViVitro Labs, Victoria, BC, Canada) that is attached to a custom left ventricular chamber …
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